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2003 Yukon transmission trouble
Looking for some insight on what has gone wrong with my transmission. I have a 2003, 2WD with ~160,000 miles. 5.3L engine. No prior transmission trouble.
Yesterday on the way home from work, it would not shift into 4th gear. After test driving it today I noticed it has less power starting from a stop and it will only upshift one gear. Could I have lost 1st and 4th, or 3rd and 4th? At 40 MPH it revs about 2000 RPM. While test driving it threw a couple codes, P0753 and P0751. Both point to Shifter Solenoid A. The fluid was a little low so I added some but that didn't make a difference.
So is it as simple as shift solenoid A going bad? Is this something I can replace reasonably easy myself? At a minimum I would like to have a good understanding of what is wrong before taking it to a transmission shop and being told I need a new transmission.
Any insight would be greatly appreciated!
Last edited by AZ-Yukon; 08-01-2010 at 12:36 AM.
Reason: add info
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07-31-2010, 02:56 PM
